How many atoms of hydrogen are there in 36 g of NH4 ? (By using unitary method)
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Explanation:
The formula mass of ammonia is 14 + 1 3 = 17.
The number of moles in 36 g ammonia is 36/ 17 = 2.11mol.
A mole is 6.02 10, so the number of hydrogen atoms in a 2.11 moles of ammonia is 2.11 *6.02*10^23 = 1.27 *10^24 atoms .
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